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Pressure is the ratio of a force acting over (pressing on, or pushing against) a certain area.

Pressure is measured in pascals, named after the 17th century French scientist Blaise Pascal.

One pascal (Pa) is the pressure from a force of one newton(N) pressing on an area of one square metre (m2). Pa = N/m2.

Five newtons acting on one square metre would be five pascals.

Five newtons acting on two square metre would be two and a half pascals.

Five newtons acting on five square metre would be one pascal.

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